Electric reducer



Feb. 12, 1929.

VJ. FIDALGO ET AL.

ELECTRIC REDUCER Filed April 8, 1927 FIG. 2

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gwowllow awel/wut med Feb. 12, 1929.

UNITED STATES PATENTOFFICE.

JUAN FIDALGO, FRANKLIN ORIVE, ANI) FRANCISCO SANS, OF BUENOS AIRES,

ARGENTINA.

ELECTRIC Application filed April 8,

@ur present invention rele-.tes to certain impreveniente in electric redneerfs, its rnain objeet, being to provide e. new type dielectric reducer eoneisting; ot' e re "linee which nifty be edventzigeonely used in Combination with uw eieeirie devieef 2nd particularly in 1ni with raidio-reeeivere, the

. Aih the use of our deer o! with o; linary heine emi l or with other vollwfee,

:in order that our invent und stood and easily e1 rief i ter n l the Wiring 11d Figure 5 is ein embodiment of the reducer according to our present invention :is epeeizilly iidepted to be used in Connection with electric bells.

i Characters off relerer ,e

1 1ike Darts throughout the sai" '1;

,er-.in or 'r e i i nee according so our nre Y. nl: y* be in. .unitrb Lineoue peet@ Whirh is then molded n ner oressure to griffe 'it the form eli-:fwn m in ders may to f' @ep/arme ey .ay be Connected n'.v ALelellie eonneotione. Si n ii l or Sien-vs are enmedded :it

resistance element in order to eil-eet the nece.c ary eonneetione; and at the point-s Where resistance .is to be marked, copper wires are also embedded, Seid Wires having u suit able length in order to ree-.eh to the contacte or taps to which they :ire to he (connected.

he resistance is then Covered Wit-l1 :i suit- REDUCER.

1927. serial No. 182,110.k

able sheath of thin linen and is linally dried in a suitable Stove.

"le stated above, the noportions of the fx nre may very, but Very good resi'lltel h :we

obtained with :i mixture el one partof he-blad( :ind two parte of vegetal coal, will; 'ent :Unomat oli :iugm: Syrup to 'torn l :i resiel'ensfe xlement l zu; above, the i r rheostat n; prepared le rollove:

resistance element l, suitabl;7 embedded n1 a. bese 2 ot asbestos or the like, lodged wit-hin e. reetzuigulm' ense 3. From the resistance l, emerge the Wires 4f, and at ends there are the tern'iinaln 5 which may be replaced by W" or the like'. nhe l'ront of the sx1-iid box n consist of :L panel (S on which the Contact arme or lreye 7, and S, :ire placed, seid arms being independent of and insulat- 'roin each other, n the saine panels are Inted the Coutuets or taps 9 'which the erin 8. The emi-.teem :we contWo-end-two by neen@ of Coppel' Shown. The Wires 4, Lire indiYidurnected to the cont-acts 9 and l0. The electric current ot 219;() volts for instance enters through one el' the terminals 5 of the resist `ner terminal 5 dilerent intens. he negretive pole, or the grrr-15nd connection in the Criss-e olf alternat- Curr-en is eonneetedv to one of the teand the current passes throneh the element. From the urine i und to the tap 9 or l() en which they Ced, "wo different voltages fire ob- .h ed funtageously substitute the two di'l'erent inteneities of the eelie and batteri-es; ne: need heretofore.

For other uses, where a successive regula-v tion of the Voltage is required, a single arm is used, Said arm Successively engaging the tape.

' lVhen using' the reducer according' to our present invention in Combination with elecriedL into practice, We .declare that what We clziiin and desire to protect by Letters Patent is: i

An electric resistance comprising ii iniX- ture of smoke black, 'vegetal coal, and sugar syrup and a linen covering surrounding said mixture. n

In testimony whereof We aiix our signor tures.

JUAN FIDALGO.

FRANKLIN oRrVE. FRANGISC@ sANs.

i i l i 

